A91/100
COMPTON-CITY, WATER DEPT. — Water Quality Report 2026
Serving 74,877 people · California
Water Source
Purchased Surface Water
County
—
System ID
CA1910026
Violations
6
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 220.00 µg/L | — | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2019.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About COMPTON-CITY, WATER DEPT.
Is COMPTON-CITY, WATER DEPT. water safe to drink?
COMPTON-CITY, WATER DEPT. water receives a grade of A (91/100), which is considered excellent. Out of 69 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has COMPTON-CITY, WATER DEPT. detected?
69 contaminants were tested in COMPTON-CITY, WATER DEPT.'s water. Notable contaminants include chlorate. No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does COMPTON-CITY, WATER DEPT. have any EPA violations?
Yes, COMPTON-CITY, WATER DEPT. has 6 EPA violation(s) on record, with the most recent in 2019. Violation types include MR.
How many people does COMPTON-CITY, WATER DEPT. serve?
COMPTON-CITY, WATER DEPT. serves approximately 74,877 people, California. The system provides water to 1 community: Compton.
What type of water does COMPTON-CITY, WATER DEPT. provide?
COMPTON-CITY, WATER DEPT. sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is CA1910026.
How does COMPTON-CITY, WATER DEPT. compare to other utilities in California?
COMPTON-CITY, WATER DEPT. scores 91/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our California state page for a full comparison of water systems.